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\chapter{Conclusion}
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An overview what a zero knowledge proof is, what makes it unique and what is
meant with zero knowledge authentication was given. Furthermore its meaning was
demonstrated by an example beside introducing the "`Feige–Fiat–Shamir
protocoll"'.
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\newline
Especially in times of increasing information technology security threats and
incidents the approch is a promising countermeasure. However to become more
widely used it is a good recommendation to reduce the communication roundtrips
between the verifier and the proofer. Obviously this is the reason why it is not
widely used yet.


